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Finding the Fourth Proportional to 173,859.10, 260,800.80 and 68,664.40

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Solution

The fourth proportional to 173,859.10, 260,800.80 and 68,664.40 is: 103,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,859.10 : 260,800.80 = 68,664.40 : x
  2. Step 2: Convert to fraction form
    173,859.10/260,800.80 = 68,664.40/x
  3. Step 3: Cross multiply
    173,859.10x = 260,800.80 × 68,664.40
  4. Step 4: Simplify right side
    173,859.10x = 17,907,730,451.52
  5. Step 5: Solve for x
    x = 17,907,730,451.52/173,859.10
  6. Step 6: Final answer
    x = 103,001.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.